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Boiler FAQ’s

What is a condensing boiler?
A condensing boiler makes more of the energy it runs on by using heat normally
expelled through the flue. By converting over 90% of the fuel used (rather than
just 50% in the case of some old boilers), a condensing boiler makes your fuel go
further. Therefore, a condensing boiler can help to save you money and reduce your
carbon footprint.

What is a combi boiler?
Combi is short for 'combination'. It refers to the way this type of system serves as
both a central heating boiler and a hot water heater. That means there's no need
for a water tank as hot water is provided on demand. As well as saving the space
normally taken up by a water tank (in the loft or airing cupboard), a combi boiler
saves on hot water costs as well as giving you hot water at mains pressure.

What is a regular boiler?
This typically forms part of a conventional heating system, and is linked to a series
of water tanks that feed the boiler and radiators. Storing hot water is key to this
system, so unlike a combi, a plentiful supply of hot water is always available.
Space in the loft and airing cupboard is required for tanks.

What is a system boiler?Like a regular system, this uses stored hot water. But because the water is pumped
from the boiler straight to the radiators and hot water tank, it’s a faster, more
economical system. What’s more, many of the components of the system are
built-in, making it easier, quicker and more affordable to install.